WINTER STORM WATCH
Issue Date: 1000 AM CST THU DEC 24 2009
Expiration: 600 AM CST SAT DEC 26 2009

...POTENTIALLY CRIPPLING WINTER STORM TODAY THROUGH EARLY SATURDAY...
.THE WINTRY MIX OF PRECIPITATION WILL GRADUALLY TRANSITION TO ALL
SNOW FROM NORTHWEST TO SOUTHEAST TODAY. THE PRECIPITATION THIS
MORNING WILL GENERALLY BE LIGHT BEFORE ANOTHER WAVE OF MOISTURE
ARRIVES FROM SOUTHERN PLAINS DURING THE AFTERNOON HOURS. THE MOST
INTENSE PERIODS OF SNOW ARE EXPECTED TONIGHT INTO FRIDAY THOUGH
ACCUMULATING SNOWFALL MAY LINGER INTO SATURDAY. IN ADDITION...
INCREASING NORTHWEST WINDS ARE EXPECTED TONIGHT INTO FRIDAY WHICH
WOULD CAUSE CONSIDERABLE BLOWING AND DRIFTING OF SNOW.
IAZ062-074-075-084>086-095>097-250000-
/O.CON.KDMX.WS.A.0008.091225T0000Z-091226T1200Z/
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-
DAVIS-
INCLUDING THE CITIES OF...GRINNELL...KNOXVILLE...OSKALOOSA...
CHARITON...ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
959 AM CST THU DEC 24 2009
...WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM CST THIS
EVENING THROUGH LATE FRIDAY NIGHT...
A WINTER STORM WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH LATE FRIDAY NIGHT.
* SHORT TERM TRENDS...AREAS OF DENSE FOG AND LIGHT DRIZZLE OR RAIN
  CONTINUE ACROSS THE AREA THIS MORNING. POOR VISIBILITY COUPLED
  WITH POTENTIAL SLICK SPOTS WHERE PAVEMENT TEMPERATURES ARE NEAR
  FREEZING MAY RESULT IN OCCASIONAL SLIPPERY AND SLOW TRAVEL.
* LONG TERM TRENDS...PRECIPITATION WILL TRANSITION TO A WINTRY
  MIX BY MID TO LATE AFTERNOON THEN TO ALL SNOW OVERNIGHT. SNOW
  WILL THEN BE LIKELY THROUGH EARLY SATURDAY. THE SNOW MAY BE
  HEAVY AT TIMES ESPECIALLY TONIGHT INTO EARLY FRIDAY.
* STORM TOTAL SNOW ACCUMULATIONS...FOUR TO EIGHT INCHES OF SNOW
  IS EXPECTED BY SATURDAY.
* WINDS AND VISIBILITY...BREEZY NORTHEAST WINDS TONIGHT WILL
  CAUSE SOME BLOWING AND DRIFTING TONIGHT. A LULL IN THE WINDS
  ARE EXPECTED MUCH OF FRIDAY BEFORE INCREASING FROM THE
  SOUTHWEST AT 15 TO 25 MPH INTO FRIDAY NIGHT. VISIBILITY
  REDUCTIONS TO LESS THAN ONE QUARTER MILE ARE LIKELY.
* IMPACTS...DIFFICULT TRAVEL CONDITIONS ARE EXPECTED TONIGHT
  THROUGH FRIDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
&&
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 410 AM CST THU DEC 24 2009
Expiration: 400 AM CST FRI DEC 25 2009

Expires:200912251000;;
FLUS43 KDMX 240949
HWODMX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
349 AM CST THU DEC 24 2009
IAZ062-074-075-084>086-095>097-251000-
POWESHIEK-MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
349 AM CST THU DEC 24 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.
.DAY ONE...TODAY AND TONIGHT
A WINTER STORM WATCH IS IN EFFECT FOR THE AREA. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.
A STRONG LOW PRESSURE SYSTEM WILL BRING A WINTRY MIX OF
SNOW...SLEET...AND FREEZING RAIN TO THE AREA BY THE LATE AFTERNOON
AND INTO THIS EVENING. MUCH COLDER AIR IS FORECAST TO FILTER INTO
SOUTHEAST IOWA...LEADING TO THE PRECIPITATION TO SWITCH OVER TO
ALL SNOW DURING THE OVERNIGHT HOURS INTO FRIDAY MORNING. A LIGHT
GLAZE OF ICE ACCRUAL IS EXPECTED BY TONIGHT.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
A WINTER STORM WATCH IS IN EFFECT FOR THE AREA. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.
THE STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO PRODUCE MODERATE
SNOW ACCUMULATIONS THROUGHOUT THE DAY CHRISTMAS DAY AND INTO
SATURDAY MORNING. STRONG WINDS ARE LIKELY TO ACCOMPANY THE
MODERATE SNOWFALL THROUGHOUT THE DAY FRIDAY INTO FRIDAY
NIGHT AND POSSIBLY PRODUCING BLOWING AND DRIFTING SNOW ACROSS THE
AREA.
LIGHT SNOW WITH STRONG NORTHWEST WINDS WILL PERSIST THROUGHOUT
THE DAY ON SATURDAY INTO SATURDAY NIGHT...POTENTIALLY LEADING TO
BLOWING SNOW AND REDUCED VISIBILITY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED...BUY ANY SNOWFALL AND ICE
ACCUMULATION REPORTS ARE APPRECIATED AND ENCOURAGED.
AN EMERGENCY MANAGER CONFERENCE CALL IS SCHEDULED AT 11AM CST
THURSDAY MORNING.
$$

FLOOD WATCH
Issue Date: 358 PM CST WED DEC 23 2009
Expiration: 600 AM CST FRI DEC 25 2009

...FLOODING RESULTING FROM SIGNIFICANT RAINFALL...ALONG WITH
SNOW MELT AND ICE JAMS...POSSIBLE THURSDAY INTO THURSDAY NIGHT...
.A STRONG STORM SYSTEM WILL BRING THE POSSIBILITY OF FLOODING.
PRECIPITATION TYPE WILL BE A MAJOR DRIVING FORCE IN THE FLOODING
THREAT. MODERATE TO HEAVY RAIN...ALONG WITH POSSIBLE
THUNDERSTORMS...ARE POSSIBLE. RAINFALL AMOUNTS OF A HALF INCH TO
TWO INCHES ARE EXPECTED THROUGH THURSDAY NIGHT.
IAZ039-049-050-060>062-073>075-083>086-094>097-240600-
/O.NEW.KDMX.FA.A.0002.091224T1200Z-091225T1200Z/
/00000.0.IC.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLACK HAWK-MARSHALL-TAMA-POLK-JASPER-POWESHIEK-WARREN-MARION-
MAHASKA-CLARKE-LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WATERLOO...MARSHALLTOWN...TOLEDO...
DES MOINES...NEWTON...GRINNELL...INDIANOLA...KNOXVILLE...
OSKALOOSA...OSCEOLA...CHARITON...ALBIA...OTTUMWA...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
358 PM CST WED DEC 23 2009
...FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLOOD WATCH FOR PORTIONS OF CENTRAL IOWA...NORTHEAST IOWA...
SOUTH CENTRAL IOWA AND SOUTHEAST IOWA...INCLUDING THE FOLLOWING
AREAS...IN CENTRAL IOWA...JASPER...MARSHALL...POLK... POWESHIEK
AND TAMA. IN NORTHEAST IOWA...BLACK HAWK. IN SOUTH CENTRAL
IOWA...APPANOOSE...CLARKE...DECATUR...LUCAS...
MAHASKA...MARION...MONROE...WARREN AND WAYNE. IN SOUTHEAST
IOWA...DAVIS AND WAPELLO.
* FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT
* MODERATE TO HEAVY RAINFALL...AND SOME THUNDERSTORMS...ARE
EXPECTED. THIS RAINFALL...COMBINED WITH SNOW MELT...MAY LEAD TO
FLOODING ON AREA RIVERS. LOCALIZED FLOODING MAY ALSO OCCUR IN
OTHER AREAS...SUCH AS URBAN AREAS...WHERE THE DRAINAGE SYSTEMS
MAY BE IMPAIRED DUE TO SNOW AND ICE CLOGGED INTAKES.
* ANOTHER CONCERN IS BREAK UP ICE JAMS ON AREA RIVERS. THE RUNOFF
WILL LIKELY BE ENOUGH TO BREAK UP THE ICE ESPECIALLY AS ONE
MOVES SOUTHWARD. SINCE THE RIVER ICE IS RELATIVELY
THIN...THOUGH...ONLY MINOR...LOCALIZED PROBLEMS DUE TO ICE JAMS
ARE EXPECTED.
* RIVERS MOST LIKELY TO BE AFFECTED INCLUDE THE CHARITON...DES
MOINES RIVER FROM DES MOINES DOWNSTREAM...AS WELL AS THE SOUTH
SKUNK...CEDAR CREEK...AND THE THOMPSON RIVERS. OTHER SMALLER
STREAMS AND CREEKS MAY ALSO BE AFFECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
ZOGG